The phrase "real breath of fresh air" means someone or something that is very new, different, and uplifting, like taking in a fresh breath of air after being in a stuffy or boring situation. Full definition
The only real breath of fresh air in this cast is Hoffman as the rebellious brash US DJ which gives the film a sense of «Good Morning Vietnam» vs traditional British toilet humour... at times. (rottentomatoes.com)
A real breath of fresh air to Wenger's side and the Premier League. (caughtoffside.com)
Arsenal fans and Arsene Wenger will be hoping that the Bosnian international star Sead Kolasinac does not join our German international defender Shkodran Mustafi on the sidelines for this weekend's Premier League tie, because the left sided defender has been a real breath of fresh air since we signed him on a free transfer in the summer transfer window. (justarsenal.com)